Home / 124,613.10-171,943.06-70,894.98

Finding the Fourth Proportional to 124,613.10, 171,943.06 and 70,894.98

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Solution

The fourth proportional to 124,613.10, 171,943.06 and 70,894.98 is: 97,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,613.10 : 171,943.06 = 70,894.98 : x
  2. Step 2: Convert to fraction form
    124,613.10/171,943.06 = 70,894.98/x
  3. Step 3: Cross multiply
    124,613.10x = 171,943.06 × 70,894.98
  4. Step 4: Simplify right side
    124,613.10x = 12,189,899,799.84
  5. Step 5: Solve for x
    x = 12,189,899,799.84/124,613.10
  6. Step 6: Final answer
    x = 97,821.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.